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Journal of Bone and Joint Surgery - British Volume, Vol 91-B, Issue 1, 31-36.
doi: 10.1302/0301-620X.91B1.19748  
Copyright © 2009 by British Editorial Society of Bone and Joint Surgery
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The long-term outcome of the cemented Weber acetabular component in total hip replacement using a second-generation cementing technique

P. T. de Jong, Orthopaedic Surgeon1; F. H. R. de Man, Orthopaedic Surgeon2; D. Haverkamp, Orthopaedic Registrar3; and R. K. Marti, Professor of Orthopaedic Surgery3

1 St Jansdal Ziekenhuis, Wethouder Jansenlaan 90, Postbus 138, 3840 AC Harderwijk, The Netherlands.
2 Sint Maartenskliniek, Postbus 9011, 6500 GM Nijmegen, The Netherlands.
3 Academic Medical Center, Postbus 22660, 1100 DD Amsterdam, The Netherlands.

Correspondence should be sent to Dr P. T. de Jong; e-mail: ptdejong{at}chello.nl

We report the long-term outcome of a modified second-generation cementing technique for fixation of the acetabular component of total hip replacement. An earlier report has shown the superiority of this technique assessed by improved survival compared with first-generation cementing. The acetabular preparation involved reaming only to the subchondral plate, followed by impaction of the bone in the anchorage holes.

Between 1978 and 1993, 287 total hip replacements were undertaken in 244 patients with a mean age of 65.3 years (21 to 90) using a hemispherical Weber acetabular component with this modified technique for cementing and a cemented femoral component.

The survival with acetabular revision for aseptic loosening as the endpoint was 99.1% (95% confidence interval 97.9 to 100 after ten years and 85.5% (95% confidence interval 74.7 to 96.2) at 20 years. Apart from contributing to a long-lasting fixation of the component, this technique also preserved bone, facilitating revision surgery when necessary.






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Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General